Earthquake with magnitude of ML 1.4 on date 16-09-2023 and time 21:11:07 (UTC) in region 6 km E Cittareale (RI)

A magnitude ML 1.4 earthquake occured in region: 6 km E Cittareale (RI), on

  • 16-09-2023 21:11:07 (UTC)
  • 16-09-2023 23:11:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5960, 13.2300 at 13 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cittareale RI 6 482 482
Amatrice RI 6 2657 3139
Montereale AQ 8 2581 5720
Capitignano AQ 10 665 6385
Accumoli RI 11 667 7052
Borbona RI 12 617 7669
Campotosto AQ 12 542 8211
Posta RI 13 694 8905
Cagnano Amiterno AQ 15 1369 10274
Barete AQ 17 737 11011
Pizzoli AQ 19 4326 15337

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
82 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
99 Km NE of Roma (2864731 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.4 2023-09-16
21:11:07
42.5957 13.2298 13 2023-09-16
21:17:15
Sala Sismica INGV-Roma 121114401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-16 21:11:07 ± 0.07
Latitude 42.5957 ± 0.0036
Longitude 13.2298 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121114401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 377
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 121114401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-16 21:17:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHZ. 2023-09-16T21:11:30.95 0.3 undecidable manual S 37.9287 1.073 0
IV.ARRO.EHZ. 2023-09-16T21:11:25.73 0.1 undecidable manual P 37.9287 1.082 0
IV.GUMA.HHZ. 2023-09-16T21:11:25.33 3.0 undecidable manual S 9 52.503 93 1.22 0
IV.FIAM.HHZ. 2023-09-16T21:11:20.30 0.6 undecidable manual S 194 37.5291 94 0.19 46
IV.MMO1.EHZ. 2023-09-16T21:11:19.46 0.6 undecidable manual S 13 34.6431 95 0.12 47
IV.GIGS.HHZ. 2023-09-16T21:11:18.33 1.0 undecidable manual S 119 32.2455 95 -0.37 23
IV.GUMA.HHZ. 2023-09-16T21:11:17.45 0.1 undecidable manual P 9 52.503 93 0.31 87
IV.NRCA.HHZ. 2023-09-16T21:11:17.26 0.3 undecidable manual S 340 28.0497 97 -0.33 68
IV.GAVE.EHZ. 2023-09-16T21:11:17.90 0.6 undecidable manual S 291 29.4483 96 -0.06 48
IV.FIAM.HHZ. 2023-09-16T21:11:14.90 0.6 undecidable manual P 194 37.5291 94 0.07 47
IV.LNSS.HHZ. 2023-09-16T21:11:14.22 0.6 undecidable manual S 273 15.4734 113 -0.11 48
IV.MMO1.EHZ. 2023-09-16T21:11:14.32 0.1 undecidable manual P 13 34.6431 95 -0.07 96
IV.NRCA.HHZ. 2023-09-16T21:11:13.26 0.1 undecidable manual P 340 28.0497 97 -0.12 95
IV.GAVE.EHZ. 2023-09-16T21:11:13.56 0.1 positive manual P 291 29.4483 96 -0.03 97
IV.GIGS.HHZ. 2023-09-16T21:11:13.81 0.1 undecidable manual P 119 32.2455 95 -0.21 93
IV.RM33.EHZ. 2023-09-16T21:11:12.92 0.6 undecidable manual S 187 9.6792 132 -0.1 49
IV.SMA1.EHZ. 2023-09-16T21:11:12.96 0.1 undecidable manual S 66 9.4794 133 -0.01 100
IV.LNSS.HHZ. 2023-09-16T21:11:11.59 0.1 positive manual P 273 15.4734 113 0.1 98
IV.RM33.EHZ. 2023-09-16T21:11:10.84 0.6 undecidable manual P 187 9.6792 132 0.1 49
IV.SMA1.EHZ. 2023-09-16T21:11:10.93 0.1 undecidable manual P 66 9.4794 133 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.4 0.000277 0.3 AML other m 2023-09-16T21:11:13.20
IV.RM33.EHN. ML:1.3 0.00020950000000000002 0.12 AML other m 2023-09-16T21:11:13.17
IV.SMA1.EHE. ML:1.8 0.0007865 0.46 AML other m 2023-09-16T21:11:13.33
IV.SMA1.EHN. ML:1.4 0.000307 0.86 AML other m 2023-09-16T21:11:13.12
IV.LNSS.HHN. ML:1.2 0.00014250000000000002 0.3 AML other m 2023-09-16T21:11:14.56
IV.LNSS.HHE. ML:1.4 0.00022299999999999997 0.14 AML other m 2023-09-16T21:11:14.45
IV.GAVE.EHE. ML:1.2 0.00007939999999999999 1.84 AML other m 2023-09-16T21:11:18.99
IV.GAVE.EHN. ML:1.3 0.0000955 0.2 AML other m 2023-09-16T21:11:18.09
IV.GUMA.HHE. ML:1.5 0.0000691 0.3 AML other m 2023-09-16T21:11:25.62
IV.GUMA.HHN. ML:1.3 0.00004755 0.34 AML other m 2023-09-16T21:11:25.72
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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